Russian miniature HF pentode tube 6J5B (6Zh5B / 6Ж5Б). High-frequency sub-miniature pentode high reliability and mechanical strength. Designed to enhance the high frequency voltage. Indirectly heated oxide cathode. Operates in any position. Available in glass miniature form. Durability at least 500 hours. Made by MELZ factory.

Name: 6J5B / 6Zh5B / 6Ж5Б;

Type: HF pentode;

Application: HF voltage amplification;

Cathode type: oxide, indirect heating;

Envelope: glass, miniature;

Mass, g: 4,5;

Filament voltage, V: 6,3;

Filament current, A: 0,225-0,275;

Anode voltage, V: 120;

Anode current, A: 0,01-0,022;

Anode power, W: 2,4;

Grid2 voltage, V: 120;

Grid3 voltage, V: 0;

Steepness, mA/V: 7,5-12,5;

Reverse grid current, uA: 0,3;

Microphonic noise, mV: 270;

Socket type: flexible.